mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-27 00:20:58 +07:00
aabded9c3a
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Further fixes for the removal of 4level-fixup hack from ppc32 [POWERPC] EEH: log all PCI-X and PCI-E AER registers [POWERPC] EEH: capture and log pci state on error [POWERPC] EEH: Split up long error msg [POWERPC] EEH: log error only after driver notification. [POWERPC] fsl_soc: Make mac_addr const in fs_enet_of_init(). [POWERPC] Don't use SLAB/SLUB for PTE pages [POWERPC] Spufs support for 64K LS mappings on 4K kernels [POWERPC] Add ability to 4K kernel to hash in 64K pages [POWERPC] Introduce address space "slices" [POWERPC] Small fixes & cleanups in segment page size demotion [POWERPC] iSeries: Make HVC_ISERIES the default [POWERPC] iSeries: suppress build warning in lparmap.c [POWERPC] Mark pages that don't exist as nosave [POWERPC] swsusp: Introduce register_nosave_region_late
89 lines
3.0 KiB
C
89 lines
3.0 KiB
C
#ifndef _LINUX_SWSUSP_H
|
|
#define _LINUX_SWSUSP_H
|
|
|
|
#if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32) || defined(CONFIG_PPC64)
|
|
#include <asm/suspend.h>
|
|
#endif
|
|
#include <linux/swap.h>
|
|
#include <linux/notifier.h>
|
|
#include <linux/init.h>
|
|
#include <linux/pm.h>
|
|
#include <linux/mm.h>
|
|
|
|
/* struct pbe is used for creating lists of pages that should be restored
|
|
* atomically during the resume from disk, because the page frames they have
|
|
* occupied before the suspend are in use.
|
|
*/
|
|
struct pbe {
|
|
void *address; /* address of the copy */
|
|
void *orig_address; /* original address of a page */
|
|
struct pbe *next;
|
|
};
|
|
|
|
/* mm/page_alloc.c */
|
|
extern void drain_local_pages(void);
|
|
extern void mark_free_pages(struct zone *zone);
|
|
|
|
#if defined(CONFIG_PM) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
|
|
extern int pm_prepare_console(void);
|
|
extern void pm_restore_console(void);
|
|
#else
|
|
static inline int pm_prepare_console(void) { return 0; }
|
|
static inline void pm_restore_console(void) {}
|
|
#endif
|
|
|
|
/**
|
|
* struct hibernation_ops - hibernation platform support
|
|
*
|
|
* The methods in this structure allow a platform to override the default
|
|
* mechanism of shutting down the machine during a hibernation transition.
|
|
*
|
|
* All three methods must be assigned.
|
|
*
|
|
* @prepare: prepare system for hibernation
|
|
* @enter: shut down system after state has been saved to disk
|
|
* @finish: finish/clean up after state has been reloaded
|
|
*/
|
|
struct hibernation_ops {
|
|
int (*prepare)(void);
|
|
int (*enter)(void);
|
|
void (*finish)(void);
|
|
};
|
|
|
|
#if defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND)
|
|
/* kernel/power/snapshot.c */
|
|
extern void __register_nosave_region(unsigned long b, unsigned long e, int km);
|
|
static inline void register_nosave_region(unsigned long b, unsigned long e)
|
|
{
|
|
__register_nosave_region(b, e, 0);
|
|
}
|
|
static inline void register_nosave_region_late(unsigned long b, unsigned long e)
|
|
{
|
|
__register_nosave_region(b, e, 1);
|
|
}
|
|
extern int swsusp_page_is_forbidden(struct page *);
|
|
extern void swsusp_set_page_free(struct page *);
|
|
extern void swsusp_unset_page_free(struct page *);
|
|
extern unsigned long get_safe_page(gfp_t gfp_mask);
|
|
|
|
extern void hibernation_set_ops(struct hibernation_ops *ops);
|
|
extern int hibernate(void);
|
|
#else
|
|
static inline void register_nosave_region(unsigned long b, unsigned long e) {}
|
|
static inline void register_nosave_region_late(unsigned long b, unsigned long e) {}
|
|
static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
|
|
static inline void swsusp_set_page_free(struct page *p) {}
|
|
static inline void swsusp_unset_page_free(struct page *p) {}
|
|
|
|
static inline void hibernation_set_ops(struct hibernation_ops *ops) {}
|
|
static inline int hibernate(void) { return -ENOSYS; }
|
|
#endif /* defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND) */
|
|
|
|
void save_processor_state(void);
|
|
void restore_processor_state(void);
|
|
struct saved_context;
|
|
void __save_processor_state(struct saved_context *ctxt);
|
|
void __restore_processor_state(struct saved_context *ctxt);
|
|
|
|
#endif /* _LINUX_SWSUSP_H */
|